12th Class Chemistry Alcohols, Phenols and Ethers / एल्कोहॉल, फीनॉल तथा ईथर Question Bank 12th CBSE Chemistry Alcohols, Phenols and Ethers

  • question_answer
      How will you prepare picric acid from phenol?

    Answer:

      On treating phenol with chloroform in the presence of sodium hydroxide, - CHO group is introduced at ortho position of benzene ring. This reaction is known as Reimer Tiemann reaction.


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